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Reuse of ProMix BX in grow bags
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December 24, 2020
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ScottinAtlanta
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Join Date: Jul 2011
Location: Atlanta, Georgia
Posts: 2,593
I use mine for 3 years (then it starts to break down into mud), but add about a fourth per volume of my own compost in all three years.
Then, the dreaded year, time to empty all 200 containers and start with fresh.
ScottinAtlanta
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